Maps and charts show record number of measles cases in U.S. this year
CBS News has been tracking a record number of measles cases and outbreaks around the country in 2026. The majority of cases are among those who haven't been vaccinated.
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CBS News has been tracking a record number of measles cases and outbreaks around the country in 2026. The majority of cases are among those who haven't been vaccinated.
The record number of measles cases in the U.S. so far this year has topped 4,000, the Centers for Disease Control and Prevention reported Friday.
The CDPH said an unvaccinated passenger who later was hospitalized with measles traveled around the country by train and bus, eventually moving through at least six California counties before heading to Denver, Colorado.
U.S. kindergarten vaccination rates have declined again, with exemptions reaching a record high for the 2025-2026 school year
President Trump signed an executive order on childhood vaccine schedules Monday.
CBS News Sacramento spoke with the head of UC Davis Children's Hospital about the rising cases and why measles specifically is the most infectious disease.
Health officials are raising concerns after two more children contracted measles, bringing the total number of cases in Sacramento County this year to five.
Public health officials have started contact tracing efforts after more than 100 children were possibly exposed to measles at a Sacramento County event.
Public health officials say they've confirmed two cases of measles in Sacramento County.
Public health officials in Placer County say their first confirmed measles cases of the year are possibly linked to the large outbreak happening in South Carolina.
Public health officials say they've identified a total of eight measles cases in Shasta County as contact tracing continues.
Health officials in Napa County confirmed Wednesday that a child has been diagnosed with measles in the county's first case in nearly 15 years.
Vaccination coverage among kindergartners decreased for all reported vaccines during the 2024 to 2025 school year, data posted to the CDC website showed.
The number of measles cases in the United States has surpassed 2019's wave of infections, according to Centers for Disease Control and Prevention data.
Public health officials announced Monday that a child from Sacramento County has a confirmed case of measles.
The child had returned from an international trip before being confirmed with measles.
The CDC's new "checklist" comes amid a deadly year of measles outbreaks that is now near record levels.
A West Sacramento resident has a confirmed case of measles, health officials say, prompting a contact tracing effort in Yolo County.
Of the 2,066 counties the study looked at, 78% saw a decline in MMR vaccination rates. But rates can vary substantially within a state.
The CDC has received at least 62 reports of measles cases this year that were infectious during air travel.
The CDC is now backing an additional measles vaccine shot for some travelers within the United States in response to record outbreaks.
A spokesperson for UMC Health System in Lubbock, Texas, said that the child was "receiving treatment for complications of measles while hospitalized" and was not vaccinated.
Misinformation about measles and the MMR vaccine can put people at risk. Here's what to know.
Tuolumne County Public Health officials on Tuesday warned about possible measles exposure at a high school and an emergency room.
Most cases have been from an outbreak in Texas and New Mexico, the CDC says.
